﻿//////////////////////////////////////////////////////////////////////////////
//
// Copyright © 1998-2024 Glodon Company Limited.
//
// Licensed under the MIT License
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the “Software”),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//////////////////////////////////////////////////////////////////////////////
#include "StructureCategoryUtils.h"
#include "IUidTree.h"

#include "EnableCompileWarning_The_LAST_IncludeInCpp.h"
using namespace gcmp;

bool StructureCategoryUtils::IsTopCategory(const IUidTree* pUidTree, const UniIdentity& uid)
{
    DBG_WARN_AND_RETURN_UNLESS(pUidTree != nullptr, false, L"pUidTree",L"GDMPLab",L"2024-03-30");
    if (pUidTree->GetParentUid(uid) == pUidTree->GetRootUid())
    {
        return true;
    }
    else
    {
        return false;
    }
}

UniIdentity StructureCategoryUtils::GetTopCategory(const IUidTree* pUidTree, const UniIdentity& uid)
{
    UniIdentity res;
    DBG_WARN_AND_RETURN_UNLESS(pUidTree != nullptr, res, L"pUidTree",L"GDMPLab",L"2024-03-30");
    if (!pUidTree->HasUid(uid))
    {
        return uid;
    }
    if (IsTopCategory(pUidTree, uid))
    {
        return uid;
    }
    else
    {
        gcmp::UniIdentity currentUid = uid;
        while (true)
        {
            UniIdentity parentUid = pUidTree->GetParentUid(currentUid);
            if (parentUid == pUidTree->GetRootUid())
            {
                break;
            }
            else
            {
                if (parentUid.IsValid())
                {
                    currentUid = parentUid;
                }
                else
                {
                    break;
                }
            }
        }

        return currentUid;
    }
}
